Material rubber acryonitrile butadiene copolymer class nbr
A circular shaped item with an aperture manufactured to predetermined dimensions and designed for use as a seal in stuffing boxes, packing nuts, and the like. It may be (1) any nonmetallic molded or formed ring (except solid (without joint) rings having a square or rectangular cross section); or (2) any shredded metal or metal foil type metallic or semimetallic rings. Excludes felt items but includes multimaterial items in which one of the materials is felt. For solid (without joints) nonmetallic items with a square or rectangular cross section, see washer (as modified) and gasket. For rubber items specifically designed for weather-proofing doors, windows, chests, and the like see seal, nonmetallic angle; seal, nonmetallic channel; and seal, nonmetallic, special shaped section. For circular (with aperature) nonmetallic items with a solid round cross-section see o-ring. Excludes cup, compression; gasket; washer (as modified); and felt, mechanical, preformed.
Classification: Gaskets,washers & other seals
NSN 5835-00-217-2147
NSN 6145-00-448-0441
NSN 5915-01-308-7501
NSN 6240-00-571-8449
NSN 5996-01-083-5162
NSN 6220-00-802-3369
NSN 7035-00-411-8850
NSN 6150-01-525-7992
NSN 5905-01-153-1187
NSN 6685-00-485-5781
NSN 5915-01-378-1990
NSN 5990-01-170-0077